Concrete-delivery apparatus.



T. EMTMAN.

CONCRETE DELIVERY APPARATUS.

APPLICATION FILED MAR.2z,1911,

LW., Patented July 9,1912.

@rif/weiem often impossible fthe tower, but in the eonstruetion narran THEODORE EMTIVIAN, 0F LOS ANGELES. CALIFORNIA.

t CDNCRETE-DELIVERY APPARATUS.

` Specification of Applicationfled March 22,

Leiters ram.y rama-ee Jurys, isi

1911. Serial No. 616,233,

To all 'whomz't may @0m/erm Be it known that l, 'lfnnononn ln'rMiiN, a citizen oi" the United States, residing at Los Angeles, in the county of Los Angeles and State of California, have' invented `a new and useful Concrete-Delivery Appara-l tus, oi which the following is a speciication.

This invei'ition relates to an apparatus for delivering concrete, being especially adapted tor use where the material is to be placed at a considerable distance trom the tower,y as in the construction of' dams or building foundations ot' extensive area,

showing a portion et the dani in section. Fig. 2 is an enlarged sectional plan view on line ,r-r2 F l. Fig. il an enlarjfed seei tion on line frg-af3 Q. Fig. It is an enlarged section on line art-tnt Fig. `4`l.

l designates the tower, having au' elevating apparatus 2, adapted to litt the cimerete and discharge the saine through a pper il, from which the concrete is delivered into a shortchute 4, and from the latter is de-` livered into the main y'delivery pipe or chute 5. y y

The distributing chute or pipe Eris sup In a previous patent of mine, No` 948,723, dated February 8th, 1,910, l have shown and described an` apparatus tor delivering concrete by gravity, wherein the concrete was raised in a tower to the desired elevation and then delivered into a downwardly slop-l ing main delivering chute or pipe, and thereby conducted. to the point ot delivery, the chute or pi-pe being supported solely from the tower, Such an apparatus` is well adapted for the purpose where the point et' delivery is not. at too great a distance from of dams, bridges or large building foundations, the point ot delivery is often at such a distance from the tower that other means must be employed to support the main delivering chute or pipe and while cribbing has been employed .under the main delivering pipe to support the same, such expedient is not 'only expensive, but it does not permit of a quick change or shifting of Iposition of the main delivering pipe or chute, and 'it is to even employ eribbing, especially in tie construction of dams which are thrown across' a ravine.

The present invention affords means for. properly supporting the main delivering chute or pipe under such conditions, and avoids the use et eribbing and permits the main delivering pipe or chute being readily shifted in position according to the demands of the work. .It is not necessary that the main delivering pipe or chute be shifted very much, as I provide an adjustable distributing pipe or pipes in communicatienl with it which are capa-ble of covering a wide area without disturbing the position of the main delivering pipe or chute.

Other obj eets of the invention will appear hereinafter.

Referring to the drawings: Figure 1 is a above the truss i' -verticalv side elevation' of the apparatus ported by means ot a cable't, the latter ben ing secured at one end, preferably to the tower l, and at the other end being secure(l to anysuitable support, as the' post t3, which in the present case is shown on the ban t op posite that on which the tower Hung from the cable tl is rigid member in the torni of a truss, consisting tions 7 secured end to end and supported at various points by block and tackle llig'. shows the manner of connecting the block and tackle to the truss in a manner to prevent lateral swinging of the truss. S is a vertical bar to which the taelrle 8 is secured, and a strip 8b secured to the bai' 8, is odset and passes over thc opposite side'of the truss i', and the bolt 8C passes through the olii'- set strip Sli and bar 8a. Il`he bar S extern. s a suliieient distance to give a long lateral swinging radiusl to the truss, which promotesits lateral stability, prevent-ing a .twisting action of the truss which it might sustain it the taelrle t5 es; tended down to the upper edge ot' the truss, as the truss could, under sueh ei'imlitions, swing laterally on its upper ed The block and tackle are so adjusted that each carries an equal load and yet allows the cable .6 to assume its natural catenary curve,

and the strains on the cable 6 and truss l" are thus .uniformly distributed. rlhe main delivering pipe or chute 5 is supported from the truss inany suitable manner, as by the connections 9. lThe rigid truss member in addition to its function ot supporting the main delivering pipe 5 and holding the latter in `a straight line, also enables workmen to walk out along the truss to reach and ad just the tackle 8,. or to reach the adjust-able distributing pipe or pipes.

In the present case, I have shown two adjust-able distributing pipes communicating with the main delivering pipe or chute for st an ds. i

vetl

fcarryin ro1lers21 and 22 delivering concrete therefrom to the exact point in the work, each having a different area of' action, butit is obvious that more or less of these may be employed as desired. At the end 'of the main delivering pipe or chute 5, I have shown the distributing pipe 10 which is `adjustable in its movements, whereby it'may' be directed to the exact point at which the concrete isto be .delivered, having at its upper end, a pan-'shaped hopper 11 andl being adjustably supported tby connection 12 which permits the dist-ributing pipe 10 to be revolved horizontally as Well as adjusted vertically, Without disturbing. the end of the main delivering pipe 5 or interrupting the flow of concrete from the main delivering pipe 5A into the distributing pipe 10, the pan-shaped hopper 11 be- -inlg suiliciently large .to accommodate this. I ave also shown another distributing pipe 13, which has a pan-shaped hopper 14 receiving concrete froman intermediate deliv- .tail in igs.. 2 and 3, the rollers 21 and-22 riding on opposite sides of a flange 23 which rejects from a circular band 24, supported 7y aililis 25, the latter depending from truss vides the necessary support. The boom 18' has a' counter-'weight 26 to balance the vvei ht of the distributing pi e 13 and inter- Ine iate delivering pipe 15. otted lines indicate the manner in which the distributing pipe 13 and intermediate delivering pipe 15 may be adjusted into various positions t-o deliver the concrete at the exact point deconcrete f y e boom 18 can thus be swiveled, the' rollers 21'riding on the flan `e 23, which proi sired. This.. adjustment is performed in.

stantly and Without interrupting the flovv of what I claim is; 1. A concrete delivery apparatus compris;

ing a main delivering pipe or chute, a cable extending along the main deliveringpipe or chute, and supported at each end, a rigid member extending along'thefmain deliver'L ing pipe or chute, and connected at intervals with the cable, the main delivering pipe or chute being supported by the rigid member, a revoluble boom supported by the .rigid member and an adjustable pipe or chute supported by the boom.

2. A concrete delivering apparatus com; y

prising a main delivering pipey or chute, a

rigid member extending along the main .deliverng pipe or chute, and connected at .intervals with the cable, the main delivering lcable extending along the main delivering p ipe or chute'and supported at each end, a

pipe or chute being supported by the rigid member, a revoluble boom supported bythe rigid member, an adjustable intermediate delivering pipe or chute supported by the 'I boom, and an adjustable distributing pipe or chute.

3. A concrete delivery apparatus comprising a main delivering pipe or chute, a 'cable extending along the main delivering pipe or chute and supported at each end, a rigid member extending along the main delivering pipe or chute and connectedat intervals with the cable, the main delivering pipe or chute beingsupported by the rigid member, a revoluble boom supported by the rigid member, an' adjustable intermediate delivering pipe or chute supported by the boom, and an adjustable distributing pipe orchute supported by the` intermediate. deliveringl pipe or chute.

In testimony whereof, I have hereunto set,v

my hand at'Los Angeles, California, this 23rd day of February, 1911'. Y THEODORE EMTMAN. In presence of- G.T. HACKLEY, FRANK L. A. GRAHAM. 

